A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5950-00-590-7727
NSN 2925-01-597-9541
NSN 5950-00-655-1416
NSN 5835-01-257-5342
NSN 5960-00-806-5614
NSN 6685-01-476-8560
NSN 5960-01-142-1995
NSN 5945-00-992-4980
NSN 6145-00-350-0167
NSN 5996-01-498-4336
NSN 5930-00-139-2783
NSN 6130-00-528-7838